87975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:56

約数の個数: 36

約数和(自身を含む): 174096

約数和(自身を除く): 86121

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 391, 425, 575, 765, 1035, 1173, 1275, 1725, 1955, 3519, 3825, 5175, 5865, 9775, 17595, 29325, 87975]

約数ペア:

[(1, 87975), (3, 29325), (5, 17595), (9, 9775), (15, 5865), (17, 5175), (23, 3825), (25, 3519), (45, 1955), (51, 1725), (69, 1275), (75, 1173), (85, 1035), (115, 765), (153, 575), (207, 425), (225, 391), (255, 345)]